intersterile

intersterile

(ˌɪntəˈstɛraɪl)
adj
not able to produce offspring by interbreeding
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
References in periodicals archive ?
The result is a number (distance) between zero (interfertile) and one (intersterile).
Representatives of both subgenera are completely intersterile because of dysploidy (van Raamsdonk et al., 1989).